Direct conversion of methane to value added chemicals such as methanol, ethylene and carbon monoxide is attracting significant interest since methane is highly abundant in various environments on earth, for example (1) as a major constituent in natural gas, (2) microbial activities from wetlands, and (3) human activities such as livestock forming, rice cultivation and landfills.[1] Recent discoveries of new natural gas resources have reduced the price of methane from over $10 per million...